191591075

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:504

約数の個数: 36

約数和(自身を含む): 259914168

約数和(自身を除く): 68323093

約数列:

[1, 5, 13, 25, 65, 137, 169, 325, 331, 685, 845, 1655, 1781, 3425, 4225, 4303, 8275, 8905, 21515, 23153, 44525, 45347, 55939, 107575, 115765, 226735, 279695, 578825, 589511, 1133675, 1398475, 2947555, 7663643, 14737775, 38318215, 191591075]

約数ペア:

[(1, 191591075), (5, 38318215), (13, 14737775), (25, 7663643), (65, 2947555), (137, 1398475), (169, 1133675), (325, 589511), (331, 578825), (685, 279695), (845, 226735), (1655, 115765), (1781, 107575), (3425, 55939), (4225, 45347), (4303, 44525), (8275, 23153), (8905, 21515)]